.Practice {
  background-color: #f8f8f8;
    width: 100%;
    overflow: hidden;
    .top {
      padding: 0 50px;
      box-sizing: border-box;
      border-bottom: 1px solid #ccc;
      height: 180px;
      display: flex;
      align-items: center;
      
        .MuiSvgIcon-root {
            width: 50px;
            height: 50px;
            margin-right: 14px;
        }
        .top_index {
            b {
            font-weight: bold;
            color: #2e57ff;
            }
        }
    }
    .timu {
        // 脱离占位
        position: relative;
        left: 0;
        top: 0;
        transition: left 0.5s linear;
        li {
          float: left;
          width: 100vw;
          padding: 60px 50px 0;
          box-sizing: border-box;
          background-color: #f8f8f8;
          height:300px;
      }
    }
}